VOLVO
CCM-U001055 - Medium Speed CAN Communication Bus. System Programming Failures. Not configured
System
Climate Control Module (CCM)
Volvo models this fault code applies to
Applies to the following models:
2 modelsV40 (2013–), V40 Cross Country (2013–)
Show models by year and engine (2)
What does this fault code mean?
The climate control module (CCM) has registered a fault in its signal configuration, and the fault code is set. The module needs new software to be configured correctly, and until then temperature control and air conditioning may work incorrectly.
Possible causes
- Faulty signal configuration in the control module
What you can do
- 1Clear the code and restart the car
- 2If you have a diagnostic tool, read the code after the restart and note whether it returns
- 3Have a workshop download the latest software to the climate control module and check the function afterwards
Symptoms you may notice1
- Temperature control or air conditioning does not work
What the fault can affect2
- The control module stops communicating
- A new attempt to communicate is made when the control module is restarted
General guidance for car owners. Diagnosis on the car can point to a different cause.